<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title> 中国大学MOOC </title>
    <style>
        body{
            margin: 0;
            background-color: rgba(0, 0, 0, .05);
            position: relative;
        }

        .header{
            margin: 0 auto;
            height: 64px;
            width: 1519.2px;
            text-align: center;
            background-color: #fff;
            position: fixed;
            z-index: 1;  /*锁定导航部分在最上层显示*/
            left: 0;
            top: 0;
        }

        .header img{
            width: 217px;
            height: 32px;
            margin-left: 130px;
            vertical-align: middle;
        }

        .header ul{
            list-style-type: none;
            display: inline-block;
        }

        .header ul li{
            font-size: 16px;
            margin-left: 42px;
            display: inline-block;
        }

        .header .box{
            margin-left: 100px;
            display: inline-block;
            width: 247px;
            height: 32px;
            color: #d1d1d1;
            font-size: 16px;
            border: 1px solid green;
            text-align: center;
            line-height: 32px;
            border-radius: 16px;
        }

        .header .box .xbox{
            display: block;
            float: right;
            width: 70px;
            height: 32px;
            background-color: green;
            border-radius: 16px;
        }

        .header p{
            margin-right: 150px;
            font-size: 14px;
            float: right;
        }

        .section{
            width: 1200px;
            margin: 0 auto;
            position: relative;
            top: 74px;
        }

        .section .box1{
            width: 200px;
            height: 360px;
            background-color: #fff;
            display: block;
            float: left;
        }

        .section .box2{
            width: 776px;
            height: 360px;
            display: inline-block;
            background: url(./image/moocbanner.png);
            margin-left: 13px;
        }

        .section .box3{
            width: 200px;
            height: 360px;
            background-color: grey;
            display: block;            
            float: right;

        }

        .section .box1 p{
            margin: 10px;
            font-size: 14px;
            color: rgb(51, 51, 51);

        }

        .section .box1 dl{
            margin: 0;
            padding: 0;
            margin-left: 10px;
            display: inline-block;
        }

        .section .box1 dt{
            font-size: 14px;
            line-height: 36px;
            color: rgb(51, 51, 51);
            display: inline-block;
        }

        .section .box1 dd{
            font-size: 12px;
            margin-left: 0;
            display: inline-block;
            color: rgb(153, 153, 153);
        }

        .section .box3{
            text-align: center;
            position: relative;
            background-color: #fff;
        }

        .section .box3 .p1{
            font-size: 14px;
            position: relative;
            left: 20px;
            top: 24px;
            width: 160px;
            line-height: 20px;
        }

        .section .box3 img{
            margin-top: 50px;
        }

        .section .box3 .p2{
            font-size: 14px;
            line-height: 32px;
            width: 168px;
            height: 32px;
            background-color: rgb(0, 199, 88);
            border-radius: 16px;
            color: #fff;
            margin-left: 16px;
        }

        .section .box3 .p3{
            font-size: 12px;
            position: absolute;
            bottom: 20px;
            width: 180px;
            margin: 0 0 0 10px;
            color: rgb(153, 153, 153);
        }

        .section2{
            margin: 0 auto;
            width: 1200px;
            height: 60px;
            background-color: rgb(255, 255, 255);
            margin-top: 80px;
            margin-bottom: 60px;
        }

        .section2 p{
            display: inline-block;
            margin-left: 20px;
        }

        .section2 img{
            width: 110px;
            height: 31px;
            margin-left: 80px;
            vertical-align: middle;
        }

        .section3{
            margin: 0 auto;
            width: 1200px;
        }

        .section3 .p1{
            font-size: 24px;
        }

        .section3 ul{
            margin: 0;
            padding: 0;
            list-style-type: none;
        }

        .section3 ul li{
            width: 285px;
            height: 126px;
            background-color: rgb(255, 255, 255);
            position: relative;
            display: inline-block;
            margin: 0 0 12px 0;
        }

        .section3 ul li:nth-child(1){
            margin: 0 15px 12px 0;
        }

        .section3 ul li:nth-child(2){
            margin: 0 15px 12px 0;
        }

        .section3 ul li:nth-child(3){
            margin: 0 15px 12px 0;
        }

        .section3 ul li:nth-child(5){
            margin: 0 15px 12px 0;
        }

        .section3 ul li:nth-child(6){
            margin: 0 15px 12px 0;
        }

        .section3 ul li:nth-child(7){
            margin: 0 15px 12px 0;
        }
        

        .section3 img{
            width: 52px;
            height: 52px;
            position: absolute;
            margin: 40px 0 0 10px;
        }
        
        .section3 .p2{
            padding: 0 10px 0 17px;
            font-size: 12px;
            height: 20px;
            line-height: 20px;
            color: #999999;
            position: absolute;
            margin: 10px 0 0 10px;
            background-color: rgb(245, 245, 245);
            border-radius: 10px;
        }

        .section3 .p3{
            font-size: 14px;
            display: block;
            line-height: 20px;
            float: right;
            position: absolute;
            margin: 40px 0 0 90px;
        }

        .section3 .p4{
            font-size: 12px;
            color: #999999;
            margin-left: 108px;
            float: left;
            position: absolute;
            margin: 100px 0 0 90px;
        }

        .section4{
            margin: 0 auto;
            width: 1200px;
        }

        .section4 .p1{
            font-size: 24px;
        }

        .section4 ul{
            list-style-type: none;
            padding: 0;
        }

        .section4 li{
            width: 224px;
            height: 293px;
            background-color: #fff;
            display: inline-block;
        }

        .section4 li:nth-child(1){
            margin-right: 15px;
        }

        .section4 li:nth-child(2){
            margin-right: 15px;
        }

        .section4 li:nth-child(3){
            margin-right: 15px;
        }

        .section4 li:nth-child(4){
            margin-right: 15px;
        }

        .section4 li img{
            width: 224px;
            height: 126px;
        }

        .section4 li h5{
            font-size: 14px;
            margin: 8px 10px;
        }

        .section4 li p{
            font-size: 12px;
            color: #666;
            margin: 5px 10px;
        }

        .section4 .tp1{
            width: 387px;
            height: 109.18px;
            background-image: url(./image/tp1.png);
            background-size: contain;
            border-radius: 8px;
            display: inline-block;
            margin-right: 13px;
        }

        .section4 .tp2{
            width: 387px;
            height: 109.18px;
            background-image: url(./image/tp2.png);
            background-size: contain;
            border-radius: 8px;
            display: inline-block;
            margin-right: 13px;
        }

        .section4 .tp3{
            width: 387px;
            height: 109.18px;
            background-image: url(./image/tp3.jpg);
            background-size: contain;
            border-radius: 8px;
            display: inline-block;
        }
    </style>
</head>
<body>
    <div class="header">
        <img src="./image/mooclogo.png" alt="">
        <ul>
            <li>课程</li>
            <li>学校</li>
            <li>学校云</li>
            <li>慕课堂</li>
            <li>下载APP</li>
        </ul>
        <div class="box">
            搜索感兴趣的课程
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        <p>登录 | 注册</p>
    </div>
    <div class="section">
        <div class="box1">
            <p>国家精品</p>
            <dl>
                <dt>计算机</dt>&nbsp;&nbsp;
                    <dd>前沿技术/软件工程</dd><br>
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                <dt>22考研</dt>&nbsp;&nbsp;
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        <div class="box2"></div>
        <div class="box3">
            <p class="p1">免费学习来自名校名师的精品课程</p>
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            <p class="p2">登录/注册</p>
            <p class="p3">网易和高等教育出版社</p>
        </div>
    </div>
    <div class="section2">
        <p>全部748所合作高校</p>
        <img src="./image/bjdx.png" alt="">
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        <img src="./image/hgd.png" alt="">
    </div>
    <div class="section3">
        <p class="p1">最近直播</p>
        <ul>
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                <img src="./image/zhibo.png" alt="">
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            </li>
            <li>
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                <img src="./image/zhibo.png" alt="">
                <p class="p3">21考研英语押题之夜直播(12<br>月25日19点)</p>
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            </li>
            <li>
                <p class="p2">12月27日19:00开始</p>
                <img src="./image/zhibo.png" alt="">
                <p class="p3">21考研英语押题之夜直播(12<br>月25日19点)</p>
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            </li>
            <li>
                <p class="p2">12月27日19:00开始</p>
                <img src="./image/zhibo.png" alt="">
                <p class="p3">21考研英语押题之夜直播(12<br>月25日19点)</p>
                <p class="p4">慕课英语陈正康</p>
            </li>
            <li>
                <p class="p2">12月27日19:00开始</p>
                <img src="./image/zhibo.png" alt="">
                <p class="p3">21考研英语押题之夜直播(12<br>月25日19点)</p>
                <p class="p4">慕课英语陈正康</p>
            </li>
            <li>
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                <img src="./image/zhibo.png" alt="">
                <p class="p3">21考研英语押题之夜直播(12<br>月25日19点)</p>
                <p class="p4">慕课英语陈正康</p>
            </li>
            <li>
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                <img src="./image/zhibo.png" alt="">
                <p class="p3">21考研英语押题之夜直播(12<br>月25日19点)</p>
                <p class="p4">慕课英语陈正康</p>
            </li>
            <li>
                <p class="p2">12月27日19:00开始</p>
                <img src="./image/zhibo.png" alt="">
                <p class="p3">21考研英语押题之夜直播(12<br>月25日19点)</p>
                <p class="p4">慕课英语陈正康</p>
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        </ul>
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    <div class="section4">
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</body>
</html>